Sprint for a total of 30 minutes throughout the campaign on any difficulty.

Achievement Guide for Run!

Achievement won on 08 Jun 10TA Score for this game: 1,831
Posted on 08 June 10 at 16:29

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Just hold down the sprint button while moving for a total of 30 minutes while playing through the game. It doesn't matter if you actually ARE sprinting. As long as the sprint button is held down, the total will continue to increase.